I see what you mean, but I disagree. I expect that Claude Code is backed by a separate post-train of Claude base which has been trained using the Claude Code harness and toolset.

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vova_hn2 2 hours ago | parent [-]

It is possible of course, but I see no reason to believe it.

	▲	jasonjmcghee an hour ago \| parent [-]
		fwiw, other models seem to / are reported to struggle much more with using claude code compared with codex / opencode / pi etc. that being said, there are other potential explanations